Isolated spin 3/2 plaquettes in Na3RuO4

被引：17
|
作者：
Regan, KA [1 ]
Huang, Q
Cava, RJ
机构：
[1] Princeton Univ, Dept Chem, Princeton, NJ 08544 USA
[2] Natl Inst Stand & Technol, Ctr Neutron Res, Gaithersburg, MD 20899 USA
来源：
JOURNAL OF SOLID STATE CHEMISTRY | 2005年 / 178卷 / 06期
基金：
美国国家科学基金会;
关键词：
ruthenates; Na3RuO4; magnetic properties;
D O I：
10.1016/j.jssc.2005.04.014
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The crystal structure of Na3RuO4 determined by powder neutron diffraction is reported. The structure consists of isolated tetranters of edge sharing RuO6 octahedra in the ab plane, creating isolated four-member plaquettes of Ru atoms comprised of two equilateral triangles sharing an edge. Magnetic susceptibility measurements reveal an anti ferromagnetic transition at similar to 29 K, with theta(w) = -141 K. Neutron diffraction data indicate the onset of three-dimensional magnetic ordering at 29 K. (c) 2005 Elsevier Inc. All rights reserved.
引用
收藏
页码：2104 / 2108
页数：5
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